========================================================================== Ubuntu Security Notice USN-6712-1 March 25, 2024
libnet-cidr-lite-perl vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: Net::CIDR::Lite could allow unintended access to network services. Software Description: - libnet-cidr-lite-perl: module for merging IPv4 or IPv6 CIDR address ranges Details: It was discovered that Net::CIDR::Lite incorrectly handled extra zero characters at the beginning of IP address strings. A remote attacker could possibly use this issue to bypass access controls. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: libnet-cidr-lite-perl 0.21-2ubuntu0.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6712-1 CVE-2021-47154 Package Information: https://launchpad.net/ubuntu/+source/libnet-cidr-lite-perl/0.21-2ubuntu0.1
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